<div class="container">
    <div class="row clearfix">
        <div class="col-md-2 column">
            
        </div>
        <div class="col-md-8 column">
            <div class="jumbotron">
                <form role="form">
                    <div class="row">
                        <div class="col-md-6">
                            <div class="form-group">
                                <input type="search" class="form-control" id="inputSearch" placeholder="Enter keyword">
                            </div></div>
                        <div class="col-md-6">
                            <div id="mode-group" class="btn-group" data-toggle="buttons">
                                <label class="btn btn-success">
                                    <input type="radio" name="mode" id="option1"> Gia sư
                                </label>
                                <label class="btn btn-success">
                                    <input type="radio" name="mode" id="option2"> Phụ huynh
                                </label>
                                <label class="btn btn-success">
                                    <input type="radio" name="mode" id="option3"> Lớp học
                                </label>
                            </div>
                        </div>
                    </div>
                    <div class="row">
                        <div class="col-md-4"></div>
                        <div class="col-md-4">
                            <button type="submit" class="btn btn-primary">Search 
                                <span class="glyphicon glyphicon-search"></span>
                            </button>
                        </div>
                        <div class="col-md-4"></div>                        
                    </div>
                </form>
            </div>
            <div class="jumbotron">
                
            